Search Results for author: Hao Xiong

Found 20 papers, 4 papers with code

Non-cascaded Control Barrier Functions for the Safe Control of Quadrotors

no code implementations25 Jul 2022 Weifeng Zeng, Huanhui Cao, Wenjie Lu, Hao Xiong

Researchers have developed various cascaded controllers and non-cascaded controllers for the navigation and control of quadrotors in recent years.

Safe Reinforcement Learning for a Robot Being Pursued but with Objectives Covering More Than Capture-avoidance

no code implementations2 Jul 2022 Huanhui Cao, Zhiyuan Cai, Hairuo Wei, Wenjie Lu, Lin Zhang, Hao Xiong

Reinforcement Learning (RL) algorithms show amazing performance in recent years, but placing RL in real-world applications such as self-driven vehicles may suffer safety problems.

Position Reinforcement Learning (RL) +1

Enhancing Sequential Recommendation with Graph Contrastive Learning

no code implementations30 May 2022 Yixin Zhang, Yong liu, Yonghui Xu, Hao Xiong, Chenyi Lei, wei he, Lizhen Cui, Chunyan Miao

Specifically, GCL4SR employs a Weighted Item Transition Graph (WITG), built based on interaction sequences of all users, to provide global context information for each interaction and weaken the noise information in the sequence data.

Auxiliary Learning Contrastive Learning +1

JIZHI: A Fast and Cost-Effective Model-As-A-Service System for Web-Scale Online Inference at Baidu

1 code implementation3 Jun 2021 Hao liu, Qian Gao, Jiang Li, Xiaochao Liao, Hao Xiong, Guangxing Chen, Wenlin Wang, Guobao Yang, Zhiwei Zha, daxiang dong, Dejing Dou, Haoyi Xiong

In this work, we present JIZHI - a Model-as-a-Service system - that per second handles hundreds of millions of online inference requests to huge deep models with more than trillions of sparse parameters, for over twenty real-time recommendation services at Baidu, Inc.

Recommendation Systems

A Dynamics Perspective of Pursuit-Evasion Games of Intelligent Agents with the Ability to Learn

no code implementations3 Apr 2021 Hao Xiong, Huanhui Cao, Lin Zhang, Wenjie Lu

It is shown that, in a pursuit-evasion game with a dynamics formulation, an evader is not able to escape from a slightly faster pursuer with an effective learned pursuit strategy, based on agile maneuvers and an effective learned evasion strategy.

reinforcement-learning Reinforcement Learning (RL)

DGL-KE: Training Knowledge Graph Embeddings at Scale

1 code implementation18 Apr 2020 Da Zheng, Xiang Song, Chao Ma, Zeyuan Tan, Zihao Ye, Jin Dong, Hao Xiong, Zheng Zhang, George Karypis

Experiments on knowledge graphs consisting of over 86M nodes and 338M edges show that DGL-KE can compute embeddings in 100 minutes on an EC2 instance with 8 GPUs and 30 minutes on an EC2 cluster with 4 machines with 48 cores/machine.

Distributed, Parallel, and Cluster Computing

Synchronous Speech Recognition and Speech-to-Text Translation with Interactive Decoding

1 code implementation16 Dec 2019 Yuchen Liu, Jiajun Zhang, Hao Xiong, Long Zhou, Zhongjun He, Hua Wu, Haifeng Wang, Cheng-qing Zong

Speech-to-text translation (ST), which translates source language speech into target language text, has attracted intensive attention in recent years.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +4

Multi-agent Learning for Neural Machine Translation

no code implementations IJCNLP 2019 Tianchi Bi, Hao Xiong, Zhongjun He, Hua Wu, Haifeng Wang

Conventional Neural Machine Translation (NMT) models benefit from the training with an additional agent, e. g., dual learning, and bidirectional decoding with one agent decoding from left to right and the other decoding in the opposite direction.

Machine Translation NMT +1

Baidu Neural Machine Translation Systems for WMT19

no code implementations WS 2019 Meng Sun, Bojian Jiang, Hao Xiong, Zhongjun He, Hua Wu, Haifeng Wang

In this paper we introduce the systems Baidu submitted for the WMT19 shared task on Chinese{\textless}-{\textgreater}English news translation.

Data Augmentation Domain Adaptation +4

End-to-End Speech Translation with Knowledge Distillation

no code implementations17 Apr 2019 Yuchen Liu, Hao Xiong, Zhongjun He, Jiajun Zhang, Hua Wu, Haifeng Wang, Cheng-qing Zong

End-to-end speech translation (ST), which directly translates from source language speech into target language text, has attracted intensive attentions in recent years.

Knowledge Distillation speech-recognition +2

Multiple Sclerosis Lesion Inpainting Using Non-Local Partial Convolutions

no code implementations24 Dec 2018 Hao Xiong, Chaoyue Wang, DaCheng Tao, Michael Barnett, Chenyu Wang

However, existing methods inpaint lesions based on texture information derived from local surrounding tissue, often leading to inconsistent inpainting and the generation of artifacts such as intensity discrepancy and blurriness.

Multi-channel Encoder for Neural Machine Translation

no code implementations6 Dec 2017 Hao Xiong, Zhongjun He, Xiaoguang Hu, Hua Wu

This design of encoder yields relatively uniform composition on source sentence, despite the gating mechanism employed in encoding RNN.

Machine Translation NMT +2

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